﻿#region License, Terms and Conditions
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
#endregion

using System;
using System.Web;
using Pesta.Utilities;

namespace Pesta.Engine.auth
{
    public class AnonymousAuthenticationHandler : IAuthenticationHandler
    {
        public static readonly String AUTH_UNAUTHENTICATED = "Unauthenticated";
        private readonly bool allowUnauthenticated;

        public AnonymousAuthenticationHandler()
        {
            allowUnauthenticated = PestaSettings.AllowUnauthenticated.ToLower().Equals("true");
        }

        public override String getName()
        {
            return AUTH_UNAUTHENTICATED;
        }

        public override ISecurityToken getSecurityTokenFromRequest(HttpRequest request)
        {
            if (allowUnauthenticated)
            {
                return new AnonymousSecurityToken();
            }
            return null;
        }
        public override String getWWWAuthenticateHeader(String realm)
        {
            return null;
        }

    }
}